CN111929173A - Bolt strength detection device - Google Patents
Bolt strength detection device Download PDFInfo
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- CN111929173A CN111929173A CN202010966761.8A CN202010966761A CN111929173A CN 111929173 A CN111929173 A CN 111929173A CN 202010966761 A CN202010966761 A CN 202010966761A CN 111929173 A CN111929173 A CN 111929173A
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- testing device
- platform box
- detection
- bolt
- detection platform
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/08—Investigating strength properties of solid materials by application of mechanical stress by applying steady tensile or compressive forces
- G01N3/10—Investigating strength properties of solid materials by application of mechanical stress by applying steady tensile or compressive forces generated by pneumatic or hydraulic pressure
- G01N3/12—Pressure testing
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/02—Details
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/02—Details
- G01N3/04—Chucks
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/22—Investigating strength properties of solid materials by application of mechanical stress by applying steady torsional forces
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/0001—Type of application of the stress
- G01N2203/0003—Steady
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/0014—Type of force applied
- G01N2203/0016—Tensile or compressive
- G01N2203/0019—Compressive
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/0014—Type of force applied
- G01N2203/0021—Torsional
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/003—Generation of the force
- G01N2203/0042—Pneumatic or hydraulic means
- G01N2203/0048—Hydraulic means
Abstract
The invention discloses a bolt strength detection device which comprises a detection platform box, a compression testing device, a torsion testing device and a clamping device, wherein the compression testing device, the torsion testing device and the clamping device are arranged on the upper surface of the detection platform box, the compression testing device is fixed on one side of the upper surface of the detection platform box, the torsion testing device is positioned on one side of the compression testing device, the torsion testing device comprises a lifting plate, the lower surfaces of two ends of the lifting plate are symmetrically connected with two pneumatic telescopic rods, the bottoms of the two pneumatic telescopic rods penetrate through a top plate of the detection platform box and extend to the inside to be fixed with an inner bottom plate, an air pump unit is arranged on one side, close to the compression testing device, of the inside of the detection platform box. The invention not only improves the diversified test function of the detection device, but also better improves the efficiency of bolt detection work.
Description
Technical Field
The invention mainly relates to the technical field of bolt detection equipment, in particular to a bolt strength detection device.
Background
Bolt check out test set carries out the detecting instrument of strength test to the bolt, and general bolt has specifications such as hexagon head, button head, square head, countersunk head, and wherein the hexagon head is the most commonly used.
The existing bolt detection equipment generally only has the linear anti-stretching and anti-torque capacity test function, the strength of the bolt per se can be different according to the material difference, but the bolt still has better compressive capacity when connecting two objects, the screw can be avoided being bent under suitable pressure, therefore, the compressive strength of the bolt is also very important, a bolt strength detection device with the compressive test function can be developed for the compressive capacity test of bolts made of different materials, so that people can select corresponding material bolts to use better according to required strength.
Disclosure of Invention
The invention mainly provides a bolt strength detection device which is used for solving the technical problems in the background technology.
The technical scheme adopted by the invention for solving the technical problems is as follows:
a bolt strength detection device comprises a detection platform box, and a compression test device, a torsion test device and a clamping device which are arranged on the upper surface of the detection platform box, wherein the compression test device is fixed on one side of the upper surface of the detection platform box and is a cuboid, a transparent protective cover is hinged at two upper top corners at one end of the compression test device, a belt cover mounting groove is arranged on the upper surface of one end of the compression test device, which is far away from the transparent protective cover, two electric hydraulic push rods are arranged in the belt cover mounting groove, a detection groove is formed in the upper surface of the compression test device, which is positioned between the transparent protective cover and the belt cover mounting groove, a butting block is fixed at one end of the detection groove, which is close to the transparent protective cover, a pressure sensor is inlaid in the butting block, a push block is movably arranged at one end of the detection groove, which is close to the belt cover mounting groove, a, and the output shafts of the two electric hydraulic push rods penetrate through the side wall of the mounting groove with the cover and extend into the detection groove to be connected with the push block.
Preferably, the torsion testing device is located compression testing device one side, the torsion testing device is including the lifter plate, surface symmetric connection has two pneumatic telescopic links under the lifter plate both ends, and two pneumatic telescopic link bottoms all run through testing platform roof board and extend to inside and inner bottom plate fixed, just the inside compression testing device one side that is close to of testing platform incasement portion is equipped with the air pump unit.
Preferably, the test motor is installed at lifter plate upper surface central point, test motor output shaft runs through the lifter plate and extends perpendicularly to the lower extreme and is connected with the trachea connecting seat, trachea connecting seat lower extreme surface central point is fixed with three-jaw air chuck, just trachea connecting seat lower extreme both sides are connected with the haplopore and protect the frame, the haplopore is protected the frame and is for dismantling.
Preferably, the test motor is provided with a torque sensor.
Preferably, clamping device is located under the lifter plate, clamping device is including rectangle restriction frame, rectangle restriction frame is fixed in testing platform case upper surface, testing platform roof corresponds rectangle restriction frame and has seted up the expansion joint, just the inside parallel of rectangle restriction frame is equipped with two restriction levers, two the restriction lever both ends all run through rectangle restriction frame lateral wall and are fixed connection.
Preferably, two clamping blocks are symmetrically arranged in the rectangular limiting frame, the limiting rods movably penetrate through the two clamping blocks to be in sliding connection, and two arc-shaped clamping grooves are symmetrically formed in the center of the side wall, close to the top end of each clamping block, of the two clamping blocks.
Preferably, two the clamp splice bottom runs through the expansion joint and extends to the lower extreme and is connected with pneumatic push rod respectively, two pneumatic push rod symmetry sets up, and two pneumatic push rod lower extremes are equipped with the support frame, the support frame bottom is fixed with the testing platform incasement soleplate, just the support frame top is equipped with the backup pad, two pneumatic push rod's base all is connected through bolt and backup pad both ends upper surface fixed.
Preferably, the air pump unit is respectively connected with the pneumatic telescopic rod, the three-jaw pneumatic chuck and the pneumatic push rod through a high-pressure air pipe.
Preferably, the last surface mounting that resistance to compression testing arrangement kept away from tape cover mounting groove one end has a pressure display, testing platform case upper surface still is provided with the controller, the controller is electric connection through wire and pressure display, pressure sensor, air pump unit, test motor, torque sensor and electronic hydraulic push rod respectively.
Preferably, the transparent protective cover is far away from one end of the compression resistance testing device and is connected with a screw knob in a penetrating mode, and the upper surface of the compression resistance testing device, which is located between the mounting groove with the cover and the detection groove, is welded with a positioning nut corresponding to the screw knob.
Compared with the prior art, the invention has the beneficial effects that:
the invention is used for detecting the compressive strength of a bolt through a compressive testing device, utilizes two electric hydraulic push rods to push a push block to obtain pressure drive, embeds a corresponding clamping joint with a groove on the push block, is convenient for clamping the head of the bolt in the groove to carry out better limitation, and the other end of the push block props against a pressure sensor conduction part on a butting block, can obtain the pressure value born by the bolt in real time during pushing, records pressure value data until the bolt generates a bending phenomenon, and is provided with a transparent protective cover to prevent the bolt from flying out due to stress, thereby being convenient for observing the state of the bolt while protecting a detector.
The present invention will be explained in detail below with reference to the drawings and specific embodiments.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a sectional view of the internal structure of the inspection platform box of the present invention;
FIG. 3 is a schematic structural diagram of a torque testing apparatus according to the present invention;
FIG. 4 is an enlarged view of area A of FIG. 1;
FIG. 5 is an enlarged view of area B of FIG. 1;
FIG. 6 is an enlarged view of area C of FIG. 1;
fig. 7 is an enlarged view of region D in fig. 2.
Description of the drawings: 1. detecting a platform box; 1a, a movable port; 2. a compression resistance testing device; 21. a mounting groove with a cover; 22. a transparent protective cover; 22a, a screw knob; 22b, a positioning nut; 23. a detection tank; 24. a push block; 24a, a slotted bayonet joint; 25. a butting block; 25a, a pressure sensor; 26. a pressure display; 27. an electric hydraulic push rod; 3. a torsion testing device; 31. a lifting plate; 32. a pneumatic telescopic rod; 33. testing the motor; 34. a gas pipe connecting seat; 35. a three-jaw air chuck; 36. a single-hole protection frame; 37. a torque sensor; 4. a clamping device; 41. a rectangular bounding box; 41a, a limit lever; 42. a clamping block; 42a, an arc-shaped clamping groove; 43. a support frame; 43a, a support plate; 44. a pneumatic push rod; 5. an air pump unit; 6. and a controller.
Detailed Description
In order to facilitate an understanding of the invention, the invention will now be described more fully hereinafter with reference to the accompanying drawings, in which several embodiments of the invention are shown, but which may be embodied in different forms and not limited to the embodiments described herein, but which are provided so as to provide a more thorough and complete disclosure of the invention.
It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may be present, and when an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present, as the terms "vertical", "horizontal", "left", "right" and the like are used herein for descriptive purposes only.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs, and the knowledge of the terms used herein in the specification of the present invention is for the purpose of describing particular embodiments and is not intended to limit the present invention, and the term "and/or" as used herein includes any and all combinations of one or more of the associated listed items.
In the embodiment, please refer to fig. 1-3, a bolt strength detecting device includes a detecting platform box 1, and a compression testing device 2, a torsion testing device 3, and a clamping device 4 which are arranged on the upper surface of the detecting platform box 1, wherein the compression testing device 2 is fixed on one side of the upper surface of the detecting platform box 1, the torsion testing device 3 is located on one side of the compression testing device 2, the torsion testing device 3 includes a lifting plate 31, the lower surfaces of two ends of the lifting plate 31 are symmetrically connected with two pneumatic telescopic rods 32, the bottoms of the two pneumatic telescopic rods 32 all penetrate through the top plate of the detecting platform box 1 and extend to the inside to be fixed with the inner bottom plate, an air pump unit 5 is arranged on one side of the inside of the detecting platform box 1, which is close to the compression testing device 2, and the clamping device 4 is located under the.
Specifically, referring to fig. 1, 4 and 5, the compression testing device 2 is a rectangular body, two top corners at one end of the compression testing device 2 are hinged with a transparent protection cover 22, the compression testing device 2 is provided with a mounting groove 21 with a cover on the upper surface of the end far away from the transparent protection cover 22, two electric hydraulic push rods 27 are arranged in the mounting groove 21 with the cover, the maintenance of the electric hydraulic push rods 27 can be facilitated by opening the cover of the mounting groove 21 with the cover, the upper surface of the compression testing device 2 is provided with a detection groove 23 between the transparent protection cover 22 and the mounting groove 21 with the cover, a butt block 25 is fixed at the end near the transparent protection cover 22 in the detection groove 23, a pressure sensor 25a (model TJL-1B) is embedded in the butt block 25, a push block 24 is movably arranged at the end near the mounting groove 21 with the cover in the detection groove 23, a slot clamp 24a is embedded at one side of the push block 24 corresponding to the pressure sensor 25, the tape slot joint 24a is the cooperation of T type structure with ejector pad 24 to tape slot joint 24 a's applicable hex bolts of cell body, square head bolt, button head bolt etc. two the output shaft of electronic hydraulic push rod 27 all runs through tape cover mounting groove 21 lateral wall and extends to and is connected with ejector pad 24 in detecting the groove 23, transparent protection casing 22 is kept away from 2 one end through connections of resistance to compression testing arrangement 22a, resistance to compression testing arrangement 2 is located tape cover mounting groove 21 and detects the upper surface between the groove 23 and corresponds screw knob 22a welding and have set nut 22b, implements through upset transparent protection casing 22 and closes the lid and open, and it is fixed to utilize screw knob 22a and set nut 22b cooperation to be threaded connection after closing the lid, and it can to loosen screw knob 22a when opening.
More specifically, referring to fig. 1 and 3, a testing motor 33 (model tch (v) 40-750 + 200S) is installed at a central portion of an upper surface of the lifting plate 31, an output shaft of the testing motor 33 penetrates through the lifting plate 31 and vertically extends to a lower end to be connected with an air pipe connecting seat 34, a three-jaw air chuck 35 (model BK160 TQ) is fixed at a central portion of a lower end surface of the air pipe connecting seat 34, two sides of the lower end of the air pipe connecting seat 34 are connected with a single-hole protection frame 36, the single-hole protection frame 36 is detachable, a torsion sensor 37 (model WSNJ-101) is installed on the testing motor 33, the air pipe connecting seat 34 and the three-jaw air chuck 35 are driven to rotate by the operation of the testing motor 33, the three-jaw air chuck 35 clamps one end of the bolt far from the head to perform a torsion test, the torsion sensor 37 obtains torsion information, the tested bolt penetrates through a through, the falling protection under the stress state is convenient to carry out.
More specifically, referring to fig. 1, 6 and 7, the clamping device 4 includes a rectangular limiting frame 41, the rectangular limiting frame 41 is fixed on the upper surface of the detection platform box 1, a top plate of the detection platform box 1 is provided with a movable opening 1a corresponding to the rectangular limiting frame 41, two limiting rods 41a are arranged in parallel inside the rectangular limiting frame 41, two ends of the two limiting rods 41a penetrate through the side wall of the rectangular limiting frame 41 to be fixedly connected, two clamping blocks 42 are symmetrically arranged inside the rectangular limiting frame 41, the two limiting rods 41a movably penetrate through the two clamping blocks 42 to be slidably connected, two arc-shaped clamping grooves 42a are symmetrically arranged at the center of the side wall where the top ends of the two clamping blocks 42 are close to each other, so as to clamp one end of the head of the bolt, the bottom ends of the two clamping blocks 42 penetrate through the movable opening 1a and extend to the lower ends to be connected to a pneumatic push rod 44 respectively, two pneumatic push rod 44 symmetry sets up, and two pneumatic push rod 44 lower extremes are equipped with support frame 43, support frame 43 bottom is fixed with the bottom plate in the testing platform case 1, just support frame 43 top is equipped with backup pad 43a, two pneumatic push rod 44's base all is through bolt and backup pad 43a both ends upper surface fixed connection.
Further specifically, referring to fig. 1 to 7, the air pump unit 5 is connected to the pneumatic telescopic rod 32, the three-jaw pneumatic chuck 35 and the pneumatic push rod 44 through a high pressure air pipe, the upper surface of the end of the compression testing apparatus 2 away from the end with the cover mounting groove 21 is provided with the pressure display 26, the upper surface of the detection platform box 1 is further provided with the controller 6 (model EC2N-20 MR), the controller 6 is electrically connected to the pressure display 26, the pressure sensor 25a, the air pump unit 5, the testing motor 33, the torsion sensor 37 and the electric hydraulic push rod 27 through wires, a corresponding control program is written in a PLC control system of the controller 6, the air pump unit 5 can be controlled to operate, the pneumatic telescopic rod 32, the three-jaw pneumatic chuck 35 and the pneumatic push rod 44 can be driven to operate, and the testing motor 33 and the electric hydraulic push rod 27 can be controlled to operate, the pressure sensor 25a and the torque sensor 37 transmit the acquired data information to the controller 6 for processing and judgment, and the pressure display 26 receives the pressure information acquired from the controller 6 for display, so as to provide corresponding data information for the detection personnel in time.
The specific process of the invention is as follows:
firstly, when the bolt to be detected is subjected to compression resistance detection, the bolt is placed between a push block 24 and an abutting block 25 in a detection groove 23, the head of the bolt is kept clamped in a corresponding clamping joint 24a with a groove, the other end of the bolt abuts against the surface of a conducting end of a pressure sensor 25a, then the transparent protective cover 22 is turned over to close the cover, a screw knob 22a and a positioning nut 22b are matched and fixed in threaded connection, then the controller 6 controls two electric hydraulic push rods 27 to work, the push block 24 is pushed to extrude the bolt until the bolt is bent, corresponding pressure data on a pressure display 26 is read and recorded, finally the two electric hydraulic push rods 27 are retracted, and the transparent protective cover 22 is opened to take out the bolt, so that the compression resistance detection work of the next bolt can be;
secondly, when the bolt to be detected is subjected to torsion detection, the bolt head is placed between the two clamping blocks 42 and is clamped by the two arc-shaped clamping grooves 42a, then the air pump unit 5 is controlled to work through the controller 6, lifting driving force is provided for the two pneumatic telescopic rods 32, the three-jaw pneumatic chuck 35 on the lifting plate 31 descends to clamp the other end of the bolt, the bolt penetrates through the through hole of the single-hole protecting frame 36 to be limited and protected, the air pump unit 5 enables the three-jaw pneumatic chuck 35 to tightly clamp the bolt, the working mode is started immediately by the testing motor 33 to carry out torsion testing until the bolt is subjected to torsion deformation, the torsion sensor 37 acquires torsion information in real time and transmits the torsion information to the controller 6, and required data support is provided for a detector.
The invention is described above with reference to the accompanying drawings, it is obvious that the invention is not limited to the above-described embodiments, and it is within the scope of the invention to adopt such insubstantial modifications of the inventive method concept and solution, or to apply the inventive concept and solution directly to other applications without modification.
Claims (10)
1. A bolt strength detection device comprises a detection platform box (1) and a compression resistance test device (2), a torsion test device (3) and a clamping device (4) which are arranged on the upper surface of the detection platform box (1), and is characterized in that the compression resistance test device (2) is fixed on one side of the upper surface of the detection platform box (1), the compression resistance test device (2) is a rectangular body, two top corners of one end of the compression resistance test device (2) are hinged with a transparent protective cover (22), the upper surface of one end, far away from the transparent protective cover (22), of the compression resistance test device (2) is provided with a mounting groove (21) with a cover, two electric hydraulic push rods (27) are arranged in the mounting groove (21) with the cover, the upper surface of the compression resistance test device (2) is positioned between the transparent protective cover (22) and the mounting groove (21) with the cover, a butt joint block (25) is fixed at one end, close to the transparent protective cover (22) in the, inlay in butt joint piece (25) and have pressure sensor (25 a), just it is equipped with ejector pad (24) to be close to the activity of belted cover mounting groove (21) one end in detection groove (23), ejector pad (24) correspond pressure sensor (25 a) one side and inlay and have belted groove joint head (24 a), two the output shaft of electronic hydraulic push rod (27) all runs through belted cover mounting groove (21) lateral wall and extends to and is connected with ejector pad (24) in detecting groove (23).
2. The bolt strength detection device according to claim 1, wherein the torsion testing device (3) is located on one side of the compression testing device (2), the torsion testing device (3) comprises a lifting plate (31), two pneumatic telescopic rods (32) are symmetrically connected to lower surfaces of two ends of the lifting plate (31), bottoms of the two pneumatic telescopic rods (32) penetrate through a top plate of the detection platform box (1) and extend to the inside to be fixed with the inner bottom plate, and an air pump unit (5) is arranged on one side, close to the compression testing device (2), of the inside of the detection platform box (1).
3. The bolt strength detecting device according to claim 2, wherein a testing motor (33) is installed at the central portion of the upper surface of the lifting plate (31), an output shaft of the testing motor (33) penetrates through the lifting plate (31) and vertically extends to the lower end to be connected with an air pipe connecting seat (34), a three-jaw air chuck (35) is fixed at the central portion of the lower end surface of the air pipe connecting seat (34), single-hole protecting frames (36) are connected to two sides of the lower end of the air pipe connecting seat (34), and the single-hole protecting frames (36) are detachable.
4. A bolt strength detecting device according to claim 3, wherein a torsion sensor (37) is mounted on the test motor (33).
5. The bolt strength detection device according to claim 4, wherein the clamping device (4) is located under the lifting plate (31), the clamping device (4) comprises a rectangular limiting frame (41), the rectangular limiting frame (41) is fixed on the upper surface of the detection platform box (1), a movable opening (1 a) is formed in the top plate of the detection platform box (1) corresponding to the rectangular limiting frame (41), two limiting rods (41 a) are arranged inside the rectangular limiting frame (41) in parallel, and two ends of each limiting rod (41 a) penetrate through the side wall of the rectangular limiting frame (41) to be fixedly connected.
6. The bolt strength detection device according to claim 5, wherein two clamping blocks (42) are symmetrically arranged in the rectangular limiting frame (41), the two limiting rods (41 a) movably penetrate through the two clamping blocks (42) to be in sliding connection, and two arc-shaped clamping grooves (42 a) are symmetrically formed in the center of the side wall, close to the top ends of the two clamping blocks (42).
7. The bolt strength detection device according to claim 6, wherein the bottom ends of the two clamping blocks (42) penetrate through the movable opening (1 a) and extend to the lower ends to be connected with pneumatic push rods (44), the two pneumatic push rods (44) are symmetrically arranged, the lower ends of the two pneumatic push rods (44) are provided with support frames (43), the bottoms of the support frames (43) are fixed with the bottom plate of the detection platform box (1), the top of each support frame (43) is provided with a support plate (43 a), and the bases of the two pneumatic push rods (44) are fixedly connected with the upper surfaces of the two ends of each support plate (43 a) through bolts.
8. The bolt strength detection device according to claim 7, wherein the air pump unit (5) is connected with the pneumatic telescopic rod (32), the three-jaw pneumatic chuck (35) and the pneumatic push rod (44) through high-pressure air pipes respectively.
9. The bolt strength detection device according to claim 8, wherein a pressure display (26) is mounted on the upper surface of one end, away from the mounting groove (21), of the compression testing device (2), a controller (6) is further arranged on the upper surface of the detection platform box (1), and the controller (6) is electrically connected with the pressure display (26), the pressure sensor (25 a), the air pump unit (5), the testing motor (33), the torsion sensor (37) and the electric hydraulic push rod (27) through wires respectively.
10. The bolt strength detection device according to claim 1, wherein a screw knob (22 a) is penetratingly connected to one end of the transparent protective cover (22) far away from the compression testing device (2), and a positioning nut (22 b) is welded to the upper surface of the compression testing device (2) between the cover mounting groove (21) and the detection groove (23) corresponding to the screw knob (22 a).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010966761.8A CN111929173B (en) | 2020-09-15 | 2020-09-15 | Bolt strength detection device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010966761.8A CN111929173B (en) | 2020-09-15 | 2020-09-15 | Bolt strength detection device |
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| CN111929173A true CN111929173A (en) | 2020-11-13 |
| CN111929173B CN111929173B (en) | 2021-03-23 |
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Cited By (5)
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|---|---|---|---|---|
| CN112525513A (en) * | 2020-12-02 | 2021-03-19 | 杨雯雯 | High strength bolt quality detection instrument |
| CN112763331A (en) * | 2020-12-29 | 2021-05-07 | 广州市荻亚机电设备有限公司 | Intelligent manufacturing equipment is spare part detection device for production line |
| CN112945706A (en) * | 2021-04-19 | 2021-06-11 | 邓东林 | Hot galvanizing bolt production strength detection system and detection method |
| CN114152517A (en) * | 2021-12-01 | 2022-03-08 | 国家能源集团江西电力有限公司万安水力发电厂 | Stud stress detection device |
| CN112945706B (en) * | 2021-04-19 | 2024-05-03 | 陕西福兰特汽车标准件有限公司 | Hot dip galvanized bolt production strength detection system and detection method |
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| CN206057104U (en) * | 2016-09-28 | 2017-03-29 | 北京国网富达科技发展有限责任公司 | A kind of bolt torque test device |
| CN210347094U (en) * | 2019-07-30 | 2020-04-17 | 苏州启成精密工业有限公司 | Bolt torsion detection machine |
| CN210401086U (en) * | 2019-08-27 | 2020-04-24 | 河北旭恒紧固件有限公司 | Bolt strength testing device |
| CN210774470U (en) * | 2019-10-18 | 2020-06-16 | 中铁大桥局第七工程有限公司 | Test bed and system for measuring torque coefficient of high-strength bolt connection pair |
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| CN112525513A (en) * | 2020-12-02 | 2021-03-19 | 杨雯雯 | High strength bolt quality detection instrument |
| CN112763331A (en) * | 2020-12-29 | 2021-05-07 | 广州市荻亚机电设备有限公司 | Intelligent manufacturing equipment is spare part detection device for production line |
| CN112945706A (en) * | 2021-04-19 | 2021-06-11 | 邓东林 | Hot galvanizing bolt production strength detection system and detection method |
| CN112945706B (en) * | 2021-04-19 | 2024-05-03 | 陕西福兰特汽车标准件有限公司 | Hot dip galvanized bolt production strength detection system and detection method |
| CN114152517A (en) * | 2021-12-01 | 2022-03-08 | 国家能源集团江西电力有限公司万安水力发电厂 | Stud stress detection device |
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